Lithapo tse 8 ka cable ea ethernet e etsa eng

VLAN (Virtual Area Network Locas VLAN e 'ngoe le e' ngoe ke sebaka sa phatlalatso ea phatlalatso moo mabotho a nang le eona a ka buisana ka ho toba, ha lipuisano pakeng tsa li-var tse fapaneng li thibetsoe. Ka lebaka leo, melaetsa ea phatlalatso e lekanyelitsoeng ho vlan e le 'ngoe.

Litaba

Ka bomalimabe li hlokahala
·Subnet
·Vn tag le id la vlan
·Mefuta ea Vlan Spaces le Vn tag ka ho sebetsana le mechanisms
·Maemo a Repages a Vlans
·Litaba tse nang le li-vlans ka libaka tsa leru

Hobaneng li-villans li hlokahala

Li-Network tsa pele tsa Ethernet e ne e le theknoloji ea marang-rang ea data e thehiloeng ho CSMA / CD (Carrier Custions e nang le thepa e ngata. Ha palo ea mabotho a eketseha, e lebisitse ho thula-matla, sefefo sa limela, sekhohola se litšila le esita le ho tsoa marang-rang. Le ha o kopanya li-lane ho sebelisa lisebelisoa tse peli tse neng li ka rarolla mathata a likhohlano, li ntse li sitisa melaetsa ea phatlalatso le ho ntlafatsa boleng ba marang-rang. Sena se ile sa lebisa nts'etsopele ea mahlale a mahlale a libaesekopo, a etsang karolo e kholo ho li-villans tse 'maloa tse mpe; VLAN e 'ngoe le e' ngoe e emela puisano e phatlalalitsoeng, e kenyang puisano vlan joalokaha eka ke molatsoana o ntse o thibela puisano e kenang le ho kopanya melaetsa ea phatlalatso e ka har'a vn.

Papiso ea 1: Karolo ea Vlans

Kahoo, li-villans li na le melemo e latelang:

Baeti ba Phahatures ne ba hokahane: Libaka tsa Broadcast li entsoe ka har'a vnwidth le ho ntlafatsa bokhoni ba ho sebetsana le bona ba ho ntlafatsa.
Ba Ts'ireletso ea Lan: Melao e tsoang ho li-vllans e fapaneng e arotsoe nakong ea phetisetso, e bolelang basebelisi kahare ho basebelisi ba VLAN.
Ho tlatlapa ha marang-rang a ho akhela ka ho fetelletseng: Liphoso li thibetsoe ka har'a vlan e le 'ngoe.
Kaho ea Mesebetsi ea Mosebetsi ea Setereke: Li-villans li ka arola basebelisi ba mesebetsi e fapaneng, ba lumellang marang-rang kaho le boemo bo fokotseha habonolo.

Subnet

Ka ho hlonepha ka ho eketsehileng karolo ea marang-rang ea liaterese tse 'maloa, sekhahla se tlase sa ho sebelisa sebaka sa aterese sa IP le seriti sa liaterese tse peli li ka rarolloa. E ts'oanang le li-villans, likobo li ka boela tsa khetholla puisano lipakeng tsa mabotho a mangata. Maeto a lithane tsa lintja tse fapaneng a ke ke a bua ka ho toba, joalo ka ha ho e amosaha ka li-sumnets tse fapaneng li ke ke. Leha ho le joalo, ha ho na mangolo a tobileng pakeng tsa bobeli.

Vnn	Subnet
Phapang	E ne e tloaetse ho arolelana marang-rang a 2 2 marang-rang.
	Kamora ho hlophisa phetoho ea vlan, basebelisi ba lithane tse fapaneng ba ka buisana feela haeba sethala se thehiloe.
	Ho fihla ho 4094 li-villans tse ka hlalosoang; Palo ea lisebelisoa tse ka har'a vnn ha e na moeli.
Amanang	Ka har'a VLAN e le 'ngoe e le' ngoe, li-subnets tse le 'ngoe kapa tse' maloa li ka hlalosoa.

Vn tag le id la vlan

Ho thusa ho hlakisa melaetsa ho tsoa ho li-vlans tse fapaneng, tšimo e khethollang tlhaiso-leseling e tlameha ho eketsoa melaetsa. The IEEE 802.1Q Protocol e netefatsa hore vlan tag ea 4-ka vn

Tšimo ea VID ea VID e 'maloa ea data e supa vlan eo sebopeho sa data ke sona; Frame ea data e ka fetisoa feela ka har'a vn e khethiloeng. Tšimo ea VID e emela ID ea VLAN, e ka bang 4095.

Therefore, to interact with these devices, switch interfaces must recognize traditional Ethernet frames and add or strip VLAN tags during transmission. VLAN tag e kentsoeng e tsamaellanang le Vn ea Interfash (Port Default Id, Pvid).

Mefuta ea Vlan Spaces le Vn tag ka ho sebetsana le mechanisms

Ho li-marang-rang tsa hona joale, basebelisi ba lithanteng tse tšoanang ba VLAN ba ka hokahana le lipalesa tse fapaneng, 'me ho ka ba le liketane tse ngata tse telele ho feta li-switches. Haeba Intercommuningotion ea mosebelisi ea hlokahala, mefuta e pakeng tsa switch e tlameha ho lemoha le ho romella liforeimi tse ngata ka nako e le 'ngoe. Ho latela lintho tse hokahaneng le kamoo liforeimi li sebetsang teng, ho na le mefuta e fapaneng ea maemo a vlan ea vlan ho amohela likhokahano tse fapaneng le marang-rang.

Fumana tharollo ea cable ea Elv

Lihlooho tsa taolo

Bakeng sa BMS, bese, thakmale ea indasteri.

Tlanya mona

Sistimi e hlophisitsoeng ea cabling

Khokahano ea marang-rang le data, cable-optic cable, likhoele tsa patch, li-module, tsa naha

Tlanya mona

Tlhahlobo ea Litlhoro tsa Litlhoro

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